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The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm [1] is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it was adopted as the standard chambering for Colt's M1911 pistol. [2]
.45 ACP United States: 2010s Bren Ten: Dornaus & Dixon Enterprises, Inc. 10mm Auto.45 ACP.22 Long Rifle United States: 1983 Colt Double Eagle: Colt Manufacturing Company.45 ACP 10mm Auto.40 S&W 9×19mm Parabellum.38 Super United States: 1985 Colt New Service: Colt Manufacturing Company.45 Colt.455 Webley.476 Enfield.45 ACP.44-40 Winchester.44 ...
The .45 Auto Rim, also known as 11.5x23mmR, is a rimmed cartridge specifically designed to be fired in revolvers originally chambered for the .45 ACP cartridge.. The Peters Cartridge Company developed the cartridge in 1920 for use in the M1917 revolver, large numbers of which had become available as surplus following the end of World War I. [3]
It is essentially a .45 ACP case, necked down to .357, resulting in a cartridge similar in form to the earlier 7.65×21mm Parabellum and 7.63×25mm Mauser cartridges. It was created to be a low recoil target cartridge that would function reliably with multiple bullet types, FMJ to cast lead wadcutters without the feeding problems that straight walled pistol rounds sometimes exhibit. [2]
The .45 Winchester Magnum case is redrawn with thicker walls and longer case. The thicker wall dimensions of the .45 Winchester Magnum are designed to accommodate a higher internal pressure (40,000 copper units of pressure) than that of the .45 ACP (18,000 copper units of pressure, 21,000 psi, or 140 MPa).
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About 25 years after a pregnant woman was found strangled to death in a Toronto parking lot, authorities have arrested and charged a suspect. In a Feb. 7 press release announcing the arrest of 50 ...
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.